MWAHAHAHAHHAHAHAH ITS PAIN FROM NARUTO SHIPPUDEN OF COURSE!!!!!!!! HE CAN KICK ANYONES ASS WITHOUT TOUCHING THEM HE EVEN FOUGHT WITH NARUTO IN SIX TAILS FORM AND THEY FOUGHT EVENLY!!! IM JUST SAYING THAT PAIN CAN KICK CHO ASS FASTER THAN U CAN BLINK (probably)

Definitly Goku.
And I saw on the first few pages how Haruhi could just wish him out of reality. But you gotta bear in mind that they live in different universes (I mean in the way that two different Earth that have completely different histories), so Haruhi has no reason to even think about getting rid of Goku because of the previous thing I just wrote.

Lee and Neji( Naruto) With Lee's fast feet and Neji's eyes, they make a good team
Vegeta(DBZ) forget Goku, Vegeta can beat him!
Sesshomaru( Inuyasha) Even with one arm he can beat his little brother
Jin(Samurai Champloo) GO JIN!
Hiei(Yu Yu Hakasho) He's awesome and sexy